LG 22LD320H-TB Скачать руководство пользователя страница 1

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LCD TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : LB0AV

MODEL : 22LD320H

22LD320H-TB

North/Latin America

http://aic.lgservice.com

Europe/Africa

http://eic.lgservice.com

Asia/Oceania

http://biz.lgservice.com

Internal Use Only

Printed in Korea

P/NO : MFL67223419 (1107-REV00)

Содержание 22LD320H-TB

Страница 1: ...EAD THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LB0AV MODEL 22LD320H 22LD320H TB North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO MFL67223419 1107 REV00 ...

Страница 2: ...right 2011 LG Electronics Inc All rights reserved Only for training and service purposes 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 BLOCK DIAGRAM 16 EXPLODED VIEW 17 SCHEMATIC CIRCUIT DIAGRAM ...

Страница 3: ...Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path t...

Страница 4: ... on your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge...

Страница 5: ... the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the repla...

Страница 6: ...ted for about 5 minutes prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC 4 Model General Specification No Item Specification Remarks 1 Market Oceania Australia New Zealand 2 Broadcasting system 1 PAL SECAM B G D K 2 PAL I II 3 NTSC M 4 DVB T 3 Receiving system Analog Upper Heterodyne G DVB T Digita...

Страница 7: ...1280x720 45 00 60 00 HDTV 720p 10 1920x1080 31 25 50 00 HDTV 1080i 11 1920x1080 33 75 60 00 HDTV 1080i 12 1920x1080 33 72 59 94 HDTV 1080i 13 1920x1080 56 250 50 HDTV 1080p 14 1920x1080 67 5 60 HDTV 1080p No Specification Proposed Remark Resolution H freq kHz V freq Hz Pixel Clock MHz 1 720 400 31 468 70 08 28 321 For only DOS mode 2 640 480 31 469 59 94 25 17 VESA Input 848 480 60 Hz 852 480 60 H...

Страница 8: ... 59 8 84 75 WXGA HDCP 7 1920 1080 67 25 60 148 5 1080P FHD Model only 2 PC Mode No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remark 1 720 480 31 469 31 5 59 94 60 27 00 27 03 SDTV 480P 2 720 576 31 25 50 54 SDTV 576P 3 1280 720 37 500 50 74 25 HDTV 720P 4 1280 720 44 96 45 59 94 60 74 17 74 25 HDTV 720P 5 1920 1080 33 72 33 75 59 94 60 74 17 74 25 HDTV 1080I 6 1920 1080 28 125 50 00...

Страница 9: ...heck OK message If Error is displayed check connection between computer jig and set 3 Click Read tab and then load download file XXXX bin by clicking Read 4 Click Connect tab If Can t is displayed check connection between computer jig and set 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message USB DOWNLOAD 1 Put the USB Stick to the USB socket 2 Automatically detecti...

Страница 10: ...alibration Protocol RS232 Adjust Sequence aa 00 00 Enter Adjust Mode xb 00 40 Component1 Input 480i ad 00 10 Adjust 480i Comp1 xb 00 60 RGB Input 1024 768 ad 00 10 Adjust 1024 768 RGB aa 00 90 End Adjust mode Required equipment Adjustment remote control 3 2 Function Check Check display and sound Check Input and Signal items cf work instructions 1 TV 2 AV SCART 3 COMPONENT 480i 4 RGB PC 1024 x 768 ...

Страница 11: ... TV as below 2 Enter the Configuration Setup mode in pressing remote control keys The method to enter Configuration Setup mode IN START MENU Configuration Setup OK 1 Select 5V DC Power Outlet and change the setting No Yes After that check LED color in JIG 2 After checking 5V DC Power Outlet change the setting Yes No 3 Please check 12V DC Power Outlet in the same procedure 3 Check the LED for IR Ou...

Страница 12: ...e EDID Data to EEPROM 24C02 by using DDC2B protocol Check whether written EDID data is correct or not For Service main Assembly EDID have to be downloaded to Insert Process in advance 4 5 DDC EDID Write HDMI 256Byte Connect HDMI Signal Cable to HDMI Jack Write EDID Data to EEPROM 24C02 by using DDC2B protocol Check whether written EDID data is correct or not For Service main Assembly EDID have to ...

Страница 13: ... FF FF FF FF FF FF FF FF B0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF C0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF D0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF E0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF F0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 0 1 2 3 4 5 6 7 8 9 A B C D E F 00 00 FF FF FF FF FF FF 00 1E 6D a b 10 c 01 03 80 73 41 78 0A CF 74 A3 57 4C B0 23 20 0...

Страница 14: ...NGTH 85 94h 1 16 bytes ADH EEPROM Sub Address high 00 1F ADL EEPROM Sub Address low 00 FF Data Write data CS CMD LENGTH ADH ADL Data_1 Data_n Delay 20ms 5 2 Command Set Description FOS Default write 7mode data write Vtotal V_Frequency Sync_Polarity Htotal Hstart Vstart 0 Phase Data write Model Name and Serial Number write in EEPROM 5 3 Method notice A Serial number D L is using of scan equipment B...

Страница 15: ...1 Into the main ass y mode RS232 aa 00 00 2 Check the key download for transmitted command RS232 ci 00 10 3 Result value Normally status for download OKx Abnormally status for download NGx 2 Check the method of CI Key value RS232 1 Into the main assembly mode RS232 aa 00 00 2 Check the method of CI key by command RS232 ci 00 20 3 Result value i 01 OK 1d1852d21c1ed5dcx 15 LGE Internal Use Only Copy...

Страница 16: ...AV_L R_IN COMP_L R_IN PC_L R_IN TV DTV_VOUT A_TMDQ 0 16 Head Phone RS 232C MAX3232CDR IC1106 SPDIF SPDIF_OUT DSUB_H VSYNC HP_L ROUT L R PI_TS_DATA 0 7 FE_TS_DATA 0 7 CI_ADDR 0 7 AUDIO IN NEC_TX RX HPD1 2 HDMI_CEC 5V_HDMI 1 2 TMDS 0 7 Data Clock USB_DM DP EEPROM M24M01 HRMN6 IC104 EEPROM CAT24WC08W T HDCP IC103 I2C LVDS 8bit or 10 bit Serial Flash IC1401 For Boot HDMI 1 2 MP2305 IC1302 DC DC Conv 1...

Страница 17: ... and mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMP...

Страница 18: ...LV8P AE20 D2M LLV8N AF20 D3P TCON3 AF19 D3M TCON2 AD18 D4P TCON1 AE18 D4M TCON0 AF18 GPIO0 TCON15 HSYNC VDD_ODD AB22 GPIO1 TCON14 VSYNC VDD_EVEN AB23 GPIO2 TCON7 LDE GCLK4 AC23 GPIO3 TCON6 LCK GCLK2 AC22 FRC_GPIO0 UART_RX AB16 FRC_GPIO1 AA14 FRC_GPIO3 AC15 FRC_GPIO8 Y16 FRC_GPIO9 UART_TX AC16 FRC_GPIO10 AC14 FRC_I2CM_DA AA16 FRC_I2CM_CK AA15 FRC_I2CS_DA Y10 FRC_I2CS_CK AA11 FRC_PWM0 AB15 FRC_PWM1 ...

Страница 19: ...29 C4 HOTPLUGD GPIO22 E5 CEC GPIO5 D6 HSYNC0 G5 VSYNC0 G6 RIN0P K1 RIN0M L3 GIN0P K3 GIN0M K2 BIN0P J3 BIN0M J2 SOGIN0 J1 HSYNC1 G4 VSYNC1 H6 RIN1P K5 RIN1M K4 GIN1P J4 GIN1M K6 BIN1P H4 BIN1M J6 SOGIN1 J5 HSYNC2 H5 RIN2P N3 RIN2M N2 GIN2P M2 GIN2M M1 BIN2P L2 BIN2M L1 SOGIN2 M3 CVBS0P N4 CVBS1P N6 CVBS2P L4 CVBS3P L5 CVBS4P L6 CVBS5P M4 CVBS6P M5 CVBS7P K7 CVBS_OUT1 M6 CVBS_OUT2 M7 VCOM0 N5 VIFP ...

Страница 20: ...DR3_DQL7 DDR2_DQ5 AE12 FRC_DDR3_DQU0 DDR2_DQ8 AE10 FRC_DDR3_DQU1 DDR2_DQ14 AF7 FRC_DDR3_DQU2 DDR2_DQ13 AD11 FRC_DDR3_DQU3 DDR2_DQ12 AD7 FRC_DDR3_DQU4 DDR2_DQ15 AD10 FRC_DDR3_DQU5 DDR2_DQ9 AE7 FRC_DDR3_DQU6 DDR2_DQ10 AF10 FRC_DDR3_DQU7 DDR2_DQM1 AD8 FRC_DDR3_NC DDR2_DQM0 AE8 FRC_REXT Y11 FRC_TESTPIN Y19 ACKP RLV3P RED 3 W26 ACKM RLV3N RED 2 W25 A0P RLV0P RED 9 U26 A0M RLV0N RED 8 U25 A1P RLV1P RED ...

Страница 21: ...0V P403 FW20020 24S 26 42 19 14 9 4 18 13 8 3 17 12 7 2 16 11 6 1 20 15 10 5 21 22 23 24 R451 0 POWER_18_A_DIM R453 0 POWER_20_A_DIM 0 R484 POWER_20_PWM_DIM L424 CIC21J501NE C485 0 1uF 16V R485 0 POWER_22_A_DIM 3 3V_Normal R486 4 7K OPT R488 100K R429 47K R475 0 POWER_24_GND R476 0 POWER_23_GND R419 1K R470 0 OPT 0 1uF C486 NON_FRC R447 1 27K 1 PD_ 3 5V R450 1K 1 PD_ 3 5V R402 100 24V IC406 AOZ107...

Страница 22: ...WS 12L 1 2 3 4 5 6 7 8 9 10 11 12 13 EXT_PWR_DET EEPROM_SCL Q1004 2SA1504S E B C CLOCK_SDA R1040 22 R1017 22 OPT R1038 4 7K MST_NEC_RX R1003 47K SUB_EEPROM R1054 22 NEC_RX MICOM_RESET INV_CTL R1085 10 R1010 10K OPT R1076 4 7K 3 5V_ST DBG_SW R1034 22 R1082 10 CLOCK_SCL SW1001 JTP 1127WEM 1 2 4 3 R1021 22 OPT EXT12V_CTRL R1078 22 R1035 10K C1010 0 1uF 16V RTC_INT MICOM_RESET R1043 100 OPT EDID_WP IC...

Страница 23: ...6B R2432 10K IR_OUT 5V_ST R2433 0 R2434 22 R2435 10K R2436 4 7K IR_OUT_HDMI1 Q2407 2SC3052 E B C IC2401 74AC08SJ 3 O0 2 B0 4 A1 1 A0 6 O1 5 B1 7 GND 8 O3 9 B3 10 A3 11 O2 12 B2 13 A2 14 VCC IR_OUT_HDMI2 3 5V_ST IR_OUT_CTRL C2408 0 1uF IR_OUT_RS232C IR P2401 12507WS 08L 1 KEY1 2 KEY2 3 GND 4 5V_ST 5 GND 6 IR 7 LED_B 8 LED_R 9 P2402 12507WR 03L 22 26 1 KEY1 2 KEY2 3 GND 4 L2404 BLM18PG121SN1D 22 26 ...

Страница 24: ... 25V C615 1uF 50V C677 0 047uF NON_GIP VGH 25V VGH_M 25V R605 47K OPT VGH 25V R633 10 GIP R630 10 GIP R603 OPT OPT R696 0 GIP R698 1M NON_GIP C661 10uF 16V REF REF R632 10K GIP R627 0 C617 1uF 50V R629 10 GIP R631 10 GIP EN2 R613 1K EN2 EN2 D606 100V MMSD4148T1G OPT D607 100V MMSD4148T1G VDD_LCM 16V R616 10K OPT R638 0 OPT R631 1 200 NON_GIP R629 1 200 NON_GIP P700 12505WS 03A00 URSA_DEBUG 1 2 3 4...

Страница 25: ...DMI1 R803 1 8K C802 0 1uF 16V JP804 D0 _HDMI1 DDC_SDA_1 JP810 R830 10K JP802 5V_Normal R826 22 5V_DET_HDMI_2 EDID_WP R828 10K D1 _HDMI1 C806 0 1uF R804 1 8K DDC_SDA_1 R884 4 7K DDC_SCL_2 CK _HDMI1 R874 10K D826 AVRL161A1R1NT OPT GND HDMI_CEC CEC_REMOTE C810 0 1uF 16V GND R893 10K D825 R883 0 OPT R825 22 BSS83 Q805 S B D G R892 68K OPT 3 5V_ST R853 68K GND R854 68K OPT R857 68K OPT R855 0 OPT C805 ...

Страница 26: ...2 X19 3 5V_ST R1130 10K C1115 1000pF 50V OPT SIDE_HP_MUTE C1116 1000pF 50V OPT 3 3V_Normal HP_DET R1155 1K HP_LOUT 2 X19 Q1101 MMBT3904 F E B C Q1102 MMBT3904 F E B C C1119 10uF 16V C1118 10uF 16V Q1104 MMBT3904 F E B C R1125 1K R1128 1K R1133 75 R1135 75 R1137 75 R1112 0 R1113 0 Q1105 ISA1530AC1 E B C Q1106 2SC3052 E B C R1129 3 3K JACK1101 PEJ024 01 6B T_TERMINAL2 8 SHIELD_PLATE 7B B_TERMINAL2 5...

Страница 27: ...Q 3 ENABLE FAULT 2 DV DT 4 I LIMIT 1 GND 5 NC 6 SOURCE_1 7 SOURCE_2 8 SOURCE_3 9 SOURCE_4 10 SOURCE_5 11 VCC R1322 1K C1304 0 01uF 50V R1305 12 4K R1325 10K D1301 A1 C A2 EXT5V_CTRL R1302 100K OPT IC1302 MP2305DS 3 SW 2 IN 4 GND 1 BS 5 FB 6 COMP 7 EN 8 SS L1303 CB3216PA501E R1317 1K C1309 0 1uF 50V EXT12V_CTRL R1320 43 C1308 2700pF 50V EXT_12V 12V EXT_5V R1308 10K C1312 22uF 16V C1303 0 47uF 25V C...

Страница 28: ...2 4 1K 1 TCON_42_FHD_60_LAMP R621 4 220K 1 TCON_47_FHD_60_LAMP R609 1 510K 1 TCON_32_FHD R620 1 22K 1 TCON_32_FHD R636 1 27K 1 TCON_32_FHD R621 1 220K 1 TCON_32_FHD R637 4 51K 1 TCON_47_FHD_60_LAMP R621 2 220K 1 TCON_37_FHD R610 2 91K 1 TCON_37_FHD R635 4 180K 1 TCON_47_FHD_60_LAMP R620 4 30K 1 TCON_47_FHD_60_LAMP R611 1 200K 1 TCON_32_FHD R641 2 56K 1 TCON_37_FHD R622 4 11K 1 TCON_47_FHD_60_LAMP ...

Страница 29: ...6 R7 IO4_17 N7 IO4_19 T8 IO4_21 M8 IO4_22 N8 IO4_23 M10 IO4_25 T9 IO4_27 N9 IO4_29 T11 IO4_31 N10 IO4_32 N11 IO4_36 N12 IO4_37 M9 IO4_38 M11 IO4_39 M12 IO4_40 R12 IO4_42 T13 IO4_43 R13 IO4_44 R14 IO4_45 P13 IO4_46 T15 IO4_47 R15 IO4_48 N13 IO3_1 P14 IO3_2 P15 IO3_3 R16 IO3_4 N15 IO3_5 N16 IO3_6 K12 IO3_7 K14 IO3_8 L12 IO3_9 N14 IO3_10 M13 IO3_11 M14 IO3_12 L13 IO3_13 M15 IO3_14 M16 IO3_15 L14 IO3_...

Страница 30: ...SSQ_9 G9 H5TQ1G63BFR H9C IC1201 DDR3_1G_HYNIX A0 N3 A1 P7 A2 P3 A3 N2 A4 P8 A5 P2 A6 R8 A7 R2 A8 T8 A9 R3 A10 AP L7 A11 R7 A12 BC N7 A13 T3 A15 M7 BA0 M2 BA1 N8 BA2 M3 CK J7 CK K7 CKE K9 CS L2 ODT K1 RAS J3 CAS K3 WE L3 RESET T2 DQSL F3 DQSL G3 DQSU C7 DQSU B7 DML E7 DMU D3 DQL0 E3 DQL1 F7 DQL2 F2 DQL3 F8 DQL4 H3 DQL5 H8 DQL6 G2 DQL7 H7 DQU0 D7 DQU1 C3 DQU2 C8 DQU3 C2 DQU4 A7 DQU5 A2 DQU6 B8 DQU7 ...

Страница 31: ... R3749 0 CONTROL_ATTEN IF_N_MSTAR C3701 0 1uF 16V TU_SCL R3753 4 7K 5V_TU R3732 100 R3760 0 R3761 0 C3730 10uF 10V C3719 22uF 10V OPT C3722 22uF 10V C3723 22uF 10V C3737 100pF 50V C3738 0 1uF 16V R3704 0 IC3703 AZ1117H ADJTRE1 EH11A 2 OUTPUT 3 INPUT 1 ADJ GND R3768 1 2K R3767 10 R3740 1 2K R3741 1 2K R3735 33 R3736 33 C3711 18pF 50V C3713 18pF 50V R3752 220 R3751 220 R3755 470 TU3702 TDTJ S001D TU...

Страница 32: ..._LVDS 1 GND 2 GMA1 3 GMA3 4 GMA4 5 GMA6 6 GMA7 7 GMA9 8 GMA10 9 GMA12 10 GMA13 11 GMA15 12 GMA16 13 GMA18 14 GND 15 OPT_N 16 H_CONV 17 VST_IN 18 POL 19 SOE 20 GND 21 LV0 22 LV0 23 LV1 24 LV1 25 LV2 26 LV2 27 LVCLK 28 LVCLK 29 LV3 30 LV3 31 LV4 32 LV4 33 LV5 34 LV5 35 GND 36 VCC 37 VCC 38 GND 39 HALF_VDD 40 HALF_VDD 41 VDD 42 VDD 43 GND 44 VCOM_IN 45 VCOM_FB 46 GND 47 VST 48 VSS 49 VGH_EVEN 50 VGH_...

Страница 33: ...PT AUD_SCK 0 01uF C543 50V OPT 0 1uF C515 50V SPK_L 24V R515 10K 0 1uF C513 16V 0 1uF C509 0 1uF C505 16V SPK_L 0 1uF C526 50V Q501 2SC3052 E B C 3 3V_Normal C516 1000pF 50V R535 3 3 OPT C547 0 01uF 50V OPT C501 10uF 10V OPT C503 10uF 10V OPT C511 10uF 10V OPT R526 12 R522 12 R520 12 R525 12 R519 12 R524 12 R521 12 R523 12 C546 22pF 50V OPT C545 22pF 50V OPT C544 22pF 50V OPT TP502 C434 0 1uF 16V ...

Страница 34: ...2303 10uF 10V 26 42 SIDE_USB_DM SIDE_USB_DP R2304 0 26 42 R2301 180 26 42 USB1_CTL D2302 5 6V CDS3C05HDMI1 26 42 USB1_OCD R2302 47 26 42 R2307 10K 26 42 JK2301 KJA UB 4 0004 26 42 1 2 3 4 5 D2303 5 6V CDS3C05HDMI1 22 P2302 UB01123 4HHS 4F 22 1 2 3 4 5 D2304 5 6V CDS3C05HDMI1 22 REAR_USB_DP REAR_USB_DM R2310 0 22 R2311 0 22 5V_Normal R2308 180 22 USB1_CTL R2309 0 22 3 3V_Normal USB1_OCD IC2302 MIC2...

Страница 35: ...OPT C1636 0 1uF L1604 120 ohm R1615 1K C1609 1000pF 50V C1619 4700pF 12V 15V R1624 0 D1609 5 6V OPT C1617 1000pF 50V COMP2_Pb SC1_B COMP1_Pb 3 5V_ST Q1610 RT1P141C T112 1 2 3 C1605 OPT D1604 30V R1626 470K R1606 470K R1602 0 R1613 10K R1612 10K R1623 15K R1629 3 9K SC1_SOG_IN 0 R4210 IC1601 LM324D 3 IN1 2 IN1 4 VCC 1 OUT1 6 IN2 5 IN2 7 OUT2 8 OUT3 9 IN3 10 IN3 11 VEE GND 12 IN4 13 IN4 14 OUT4 SCAR...

Страница 36: ...ADDR 4 R1909 0 OPT R1906 10K PCM_IOWR CI_MISTRT GND R1916 0 OPT CI_TS_DATA 6 AR1913 33 PCM_A 6 CI_CD2 5V_CI_ON R1918 47 PCM_A 14 PCM_A 12 CI_ADDR 0 14 R1915 47 5V_Normal CI_OE CI_TS_DATA 5 CI_MCLKI PCM_RST GND AR1902 33 CI_ADDR 7 CI_MDI 2 CI_ADDR 12 CI_ADDR 11 PCM_D 0 7 R1908 100 C1901 0 1uF AR1904 33 PCM_CE FE_TS_DATA 0 7 PCM_A 13 PCM_A 10 CI_ADDR 3 REG CI_MDI 6 AR1903 33 CI_TS_CLK 3 3V_Normal AR...

Страница 37: ......

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